首都國際機場T3航站樓地面交通中心結構設計
束偉農，周思紅，朱忠義，高建民
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(北京市建筑設計研究院，100045)［提要］首都機場T3航站樓交通中心(GTC)平面為橢圓形，長寬近似為550m×350m，屬于超大面積的建筑。根據工程的特點和遇到的問題，系統(tǒng)地介紹了工程的結構設計情況。重點介紹了超長結構的設計原則、計算方法、構造措施等方面的內容，并結合屋頂拱形鋼結構的特點，介紹了屋頂鋼結構的設計。［關鍵詞］首都機場；T3航站樓；超長結構；溫度應力；拱形鋼結構Structural Design of Ground Transportation Center of Terminal 3 at Beijing Capital International Airport/Shu Weinong, Zhou Sihong, Zhu Zhongyi, Gao Jianming (Beijing Institute of Architecture Design, Beijing 100045,China)Abstract:The ground transportation center of terminal 3 at Beijing capital international airport, with an elliptic plan and with the length by width of approximately 550m×350m, is an over-sized architecture. Based on the specialty of this project and problems encountered, the structural design of the project is introduced systematically. It emphasizes on the design principles, computation methods and construction detailing, etc. of this over-length structure. Combined with characteristics of the roof arch steel structure, it also presents the design of the roof steel structure.Keywords:Beijing capital international airport; terminal 3; over-length structure; temperature stress; arch steel structure
